crypto: implement privateEncrypt/publicDecrypt

PR-URL: https://github.com/iojs/io.js/pull/625
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Fix iojs/io.js#477

1 files changed, 23 insertions, 11 deletions

diff --git a/lib/crypto.js b/lib/crypto.js
index 8e3a84350d..2d08433563 100644
--- a/lib/crypto.js
+++ b/lib/crypto.js
@@ -337,19 +337,31 @@ Verify.prototype.verify = function(object, signature, sigEncoding) {
   return this._handle.verify(toBuf(object), toBuf(signature, sigEncoding));
 };
 
-exports.publicEncrypt = function(options, buffer) {
-  var key = options.key || options;
-  var padding = options.padding || constants.RSA_PKCS1_OAEP_PADDING;
-  return binding.publicEncrypt(toBuf(key), buffer, padding);
-};
+function rsaPublic(method, defaultPadding) {
+  return function(options, buffer) {
+    var key = options.key || options;
+    var padding = options.padding || defaultPadding;
+    return method(toBuf(key), buffer, padding);
+  };
+}
 
-exports.privateDecrypt = function(options, buffer) {
-  var key = options.key || options;
-  var passphrase = options.passphrase || null;
-  var padding = options.padding || constants.RSA_PKCS1_OAEP_PADDING;
-  return binding.privateDecrypt(toBuf(key), buffer, padding, passphrase);
-};
+function rsaPrivate(method, defaultPadding) {
+  return function(options, buffer) {
+    var key = options.key || options;
+    var passphrase = options.passphrase || null;
+    var padding = options.padding || defaultPadding;
+    return method(toBuf(key), buffer, padding, passphrase);
+  };
+}
 
+exports.publicEncrypt = rsaPublic(binding.publicEncrypt,
+                                  constants.RSA_PKCS1_OAEP_PADDING);
+exports.publicDecrypt = rsaPublic(binding.publicDecrypt,
+                                  constants.RSA_PKCS1_PADDING);
+exports.privateEncrypt = rsaPrivate(binding.privateEncrypt,
+                                    constants.RSA_PKCS1_PADDING);
+exports.privateDecrypt = rsaPrivate(binding.privateDecrypt,
+                                    constants.RSA_PKCS1_OAEP_PADDING);
 
 
 exports.createDiffieHellman = exports.DiffieHellman = DiffieHellman;